
用墊環的焊縫;[機] 底焊焊縫;打底焊道
Basic flux-cored wire for backing weld to T91 tube was stu***d in this paper.
研究了用于T91鋼管打底焊的堿性渣系藥芯焊絲。
Welding methods and technology of narrow gap quirk backing weld were discussed. Indirect quirk backing weld using manual hydrogen arc welding is considered as the best result.
讨論了窄間隙深槽打底焊焊接方法和工藝,認為用手工氩弧焊進行單面深槽打底焊效果最好。
They cause all the welding of double tubes, joint boxes and gas-collecting tubes to realize the backing weld of TAW-P. The quality of the double tube waste heat boilers have been improved.
并對噴嘴、規範參數、坡口形式等作了相應改進,使雙套管、聯箱、集氣管的焊接全部實現了鎢極氩弧焊打底,從而提高了雙套管廢熱鍋爐的質量。
The laser beam melts a portion of the steel core and the segment backing metal, forming a weld.
激光光束熔體部分鋼鐵核心和後盾金屬部分,形成焊縫。
It was found that impact toughness of weld metal was maximum using carbon arc air gouging, and it was minimum using acid backing.
結果表明,清根方式對焊縫沖擊韌度有明顯影響,用碳弧氣刨清根得到的焊縫沖擊韌度最好,而用酸性襯墊得到的焊縫沖擊韌度最差。
根據多個權威詞典和工程領域的解釋,“backing weld”是一個焊接專業術語,具體含義及用法如下:
定義
Backing weld(打底焊)指在厚闆單面坡口對接焊時,為防止角變形或燒穿現象,在接頭背面坡口根部進行的首層焊道焊接。該術語也適用于使用陶瓷襯墊的單面焊中第一道焊道的焊接。
核心作用
技術特點
相關術語對比
應用場景
主要用于管道、壓力容器等需要高結構強度的厚闆焊接,常見于石油化工、船舶制造等領域。
若需進一步了解具體焊接參數或國際标準,可參考(歐路詞典)和(新東方詞典)的擴展說明。
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